package com.zhengtoon.mctoon.conv.utils;

import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
import org.springframework.http.MediaType;

import java.io.*;
import java.net.URL;
import java.net.URLConnection;

/**
 * @author 姚华成
 * @since 2016年3月16日
 */
public class HttpUtil {

    //	private static Log log = LogFactory.getLog(HttpUtil.class);

    public static void main(String[] args) throws Exception {
        String str = "http://172.28.17.74:8081/open/getUserById?userId=301212&authAppId=85&authAppType=app&authSignType=md5&authSign=3FDFC44977AFB6AB0C466B2613FE3707";
        String resutl = sendGet(str);
        System.out.println(resutl);
    }

    public static String doPost(String url, String json) throws Exception {
        HttpPost post = new HttpPost();
        post.setHeader(new BasicHeader("Accept", "*/*"));
        post.setHeader(new BasicHeader("content-Type", MediaType.APPLICATION_JSON_VALUE));
        post.setURI(new URL(url).toURI());
        post.setEntity(new StringEntity(json, "utf-8"));
        RequestConfig config = RequestConfig.custom()
                .setConnectTimeout(30 * 1000)
                .setConnectionRequestTimeout(30 * 1000)
                .setSocketTimeout(30 * 1000).build();
        CloseableHttpClient httpClient = HttpClientBuilder.create().setDefaultRequestConfig(config).build();
        CloseableHttpResponse httpResponse = httpClient.execute(post);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode != 200) {
            throw new RuntimeException("通讯错误：" + statusCode);
        }
        String retMsg = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
        return retMsg;
    }

    public static String doGet(String url) throws Exception {
        HttpGet get = new HttpGet();
        get.setHeader(new BasicHeader("Accept", MediaType.APPLICATION_JSON_VALUE));
        get.setHeader(new BasicHeader("content-Type", MediaType.APPLICATION_JSON_VALUE));
        get.setURI(new URL(url).toURI());
        RequestConfig config = RequestConfig.custom()
                .setConnectTimeout(30 * 1000)
                .setConnectionRequestTimeout(30 * 1000)
                .setSocketTimeout(30 * 1000).build();
        CloseableHttpClient httpClient = HttpClientBuilder.create().setDefaultRequestConfig(config).build();
        CloseableHttpResponse httpResponse = httpClient.execute(get);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode != 200) {
            throw new RuntimeException("通讯错误：" + statusCode);
        }
        String retMsg = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
        return retMsg;
    }

    public static String sendGet(String url) {
        String result = "";
        BufferedReader in = null;
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.setRequestProperty("Charset", "UTF-8");
            // 建立实际的连接
            connection.connect();

            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), "UTF-8"));
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }
}
